Dr. Keiichi Kobayashi, MD
- Medicare services, 2024
- 440
- Medicare patients, 2024
- 85
- Part D claims, 2024
- 4,049
- Industry payments
- $6,102
- Affiliated sites
- 2
- Practice address
- 99-193 Aiea Heights Drive, Aiea, HI 96701
- Practice phone
- Call (808) 677-7999
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Clinical Labs of Hawaii - Aiea Heights
Clinical Lab - Full Service · Aiea, Hawaii
Find Dr. Kobayashi's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Keiichi Kobayashi is an internist in Aiea, Hawaii
Dr. Kobayashi practices at Clinical Labs of Hawaii - Aiea Heights in Aiea, Hawaii.
Dr. Kobayashi's NPI, 1134150089, was assigned on July 6, 2006. Dr. Kobayashi holds Hawaii license 7904.
- NPI
- 1134150089NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860383916
- NPI enumeration date
- July 6, 2006
- NPI status
- Active
- Practice phone
- (808) 677-7999
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Keiichi Kobayashi practices at Clinical Labs of Hawaii - Aiea Heights in Aiea, Hawaii
Dr. Kobayashi's primary practice is Clinical Labs of Hawaii - Aiea Heights, at 99-193 Aiea Heights Drive, Aiea, HI 96701. The practice phone is (808) 677-7999.
- Clinical Labs of Hawaii - Aiea Heights99-193 Aiea Heights Drive, Aiea, HI 96701Phone(808) 677-7999
Source: Dmand AI Affiliation Data
Dr. Keiichi Kobayashi is affiliated with 2 sites of care and 1 medical group
Dr. Kobayashi's primary practice is Clinical Labs of Hawaii - Aiea Heights in Aiea, Hawaii. The medical group on file is St. Luke's Clinic - Ala Moana. Dmand AI also links Dr. Kobayashi to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Keiichi Kobayashi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kobayashi practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Clinical Labs of Hawaii - Aiea Heights | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Keiichi Kobayashi is one of 771 internists in Hawaii
Internal medicine is Dr. Kobayashi's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kobayashi is licensed in Hawaii.
Specialties and state licenses
- Internal medicine, HawaiiPrimary
Internists near Dr. Kobayashi
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Keiichi Kobayashi billed Medicare for 440 services in 2024
CMS data shows 440 Medicare services from Dr. Kobayashi across 7 procedure codes in 2024, for 85 Medicare patients. Medicare paid $24,416 for them. Every service was in an office.
Dr. Kobayashi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2272024: 27320%
- Other services
- 2023: 662024: 10153%
- Surgery
- 2023: 02024: 26
- Lab and pathology
- 2023: 02024: 21
- Tests and treatments
- 2023: 282024: 1932%
Dr. Kobayashi compared with the Hawaii median for internists, 2024
- Dr. Kobayashi
- Hawaii median
- Medicare services
- 440vs 34229% above
- Medicare patients
- 85vs 12834% below
- Part D claims
- 3,708vs 6705.5 times
Medians across 699 internists in Hawaii with Dmand AI profiles that report each measure.
Dr. Kobayashi's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kobayashi and other internists in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Keiichi Kobayashi treated 85 Medicare patients in 2024, average age 76
CMS counts 85 Medicare patients who saw Dr. Kobayashi in 2024. The largest group is 65 to 74, with 37 patients. 75% of them have high cholesterol, and 64% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kobayashi's median patient age at 72, with 57% women.
Dr. Kobayashi's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kobayashi's Medicare patients by sex, 2024
- Women4654%
- Men3946%
Chronic conditions among Dr. Kobayashi's Medicare patients, 2024
- High cholesterol75%
- High blood pressure64%
- Diabetes33%
- Chronic kidney disease27%
- Osteoporosis22%
- Arthritis16%
- Cancer14%
- Depression14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kobayashi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Keiichi Kobayashi wrote 4,049 Medicare Part D claims in 2024
In 2024, Dr. Kobayashi wrote 4,049 Medicare Part D claims for 468 patients. 91% of them were for generic drugs. CMS names the drug for 3,708 of them, across 64 drugs with 11 or more claims each, at $454,876 in total drug cost. In 2023, CMS named 3,012 claims across 51 drugs.
Dr. Kobayashi's Part D claims by kind of drug, 2024
- Generic3,670 claims91%
- Brand-name and other379 claims9%
Dr. Kobayashi's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Kobayashi's Part D claims, 2024
- Antibiotics5%183 of 4,049 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,0122024: 3,70823%
Drugs named by CMS: 64 in 2024, 51 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Keiichi Kobayashi takes part in Medicare
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Source: Doctors and Clinicians Utilization Data (CMS)
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Dr. Keiichi Kobayashi received $6,102 in industry payments from 2016 to 2025
CMS Open Payments shows 125 general payments to Dr. Kobayashi from 18 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Amgen Inc. paid the most, $1,133.
General payments to Dr. Kobayashi by program year, 2016 to 2025
General payments to Dr. Kobayashi by kind, 2016 to 2025
- Food and beverage$6,02299%
- Education$761%
- Travel and lodging$40%
Companies that paid Dr. Kobayashi the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Keiichi Kobayashi's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Keiichi Kobayashi
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Keiichi Kobayashi's NPI number?
Dr. Keiichi Kobayashi's NPI number is 1134150089. It was assigned on July 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Keiichi Kobayashi?
Dr. Keiichi Kobayashi is an internist in Aiea, Hawaii. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Keiichi Kobayashi practice?
Dr. Kobayashi practices at 99-193 Aiea Heights Drive, Aiea, HI 96701. Dr. Kobayashi's primary practice is Clinical Labs of Hawaii - Aiea Heights in Aiea, Hawaii. Dmand AI also links Dr. Kobayashi to 1 group practice or clinic.
What is Dr. Keiichi Kobayashi's office phone number?
The practice phone on file for Dr. Kobayashi is (808) 677-7999.
What is Dr. Keiichi Kobayashi's medical license number?
Dr. Kobayashi holds Hawaii license 7904.
What medical group is Dr. Keiichi Kobayashi part of?
Dr. Kobayashi is linked to St. Luke's Clinic - Ala Moana.
Does Dr. Keiichi Kobayashi accept Medicare?
Yes. CMS data shows Dr. Kobayashi billed Medicare for 440 services in 2024.
How many Medicare patients does Dr. Keiichi Kobayashi see?
CMS counts 85 Medicare patients who saw Dr. Kobayashi in 2024, with an average age of 76.
What services does Dr. Keiichi Kobayashi bill to Medicare?
In 2024, Dr. Kobayashi's most billed Medicare services were office visit, established patient (99213), medicare service (G0439) and medicare service (G0444).
What drugs does Dr. Keiichi Kobayashi prescribe most?
In 2024 Medicare Part D data, Dr. Kobayashi's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Amlodipine Besylate.
Has Dr. Keiichi Kobayashi received payments from drug or device companies?
CMS Open Payments shows $6,102 in general payments to Dr. Kobayashi from 18 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Keiichi Kobayashi been practicing?
Dr. Kobayashi graduated from medical school in 1988, 38 years ago.
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